Silicon Labs C8051F021-GQ Microcontrollers
IC MCU 8BIT 64KB FLASH 64TQFP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
C8051F021-GQ
Detailed Description
IC MCU 8BIT 64KB FLASH 64TQFP
Package
64-TQFP
Lifecycle Status
Active
Datasheet
C8051F021-GQ Datasheet
Quick Jump:
Technical Specifications
Silicon Labs C8051F021-GQ Microcontrollers technical specifications.
General
RAM Size
4.25K x 8
Package / Case
64-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 3.6V
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O
32
Speed
25MHz
Core Processor
8051
Program Memory Type
Flash
Alternate Parts Comparison (C8051F021-GQ vs NL27WZ17DBVT1G vs C8051F041 vs EFM8BB52F16G-C-QFN20R)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-TQFP | SC-74, SOT-457 | 64-TQFP | 20-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -55°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 3.6V | 1.65V ~ 5.5V | 2.7V ~ 3.6V | 1.8V ~ 5.5V |
| Core Processor | 8051 | -- | 8051 | CIP-51 8051 |
| Core Size | 8-Bit | -- | 8-Bit | 8-Bit |
| RAM Size | 4.25K x 8 | -- | 4.25K x 8 | 1.25K x 8 |
| Connectivity | EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | -- | CANbus, EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART | I²C, SMBus, SPI, UART/USART |
| Data Converters | A/D 8x8b, 8x12b; D/A 2x12b | -- | A/D 8x8b, 13x12b; D/A 2x10b, 2x12b | A/D 16x12b SAR; D/A 1x10b |
| Number of I/O | 32 | -- | 32 | 16 |
| Oscillator Type | Internal | -- | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | -- | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.